Add StakePoint (#17320)

Author: shaunking1988

projects/stakepoint/index.js

@@ -0,0 +1,79 @@
+const { PublicKey } = require("@solana/web3.js");
+const { getConnection, sumTokens2 } = require("../helper/solana");
+
+const PROGRAM_ID = "gLHaGJsZ6G7AXZxoDL9EsSWkRbKAWhFHi73gVfNXuzK";
+const TOKEN_2022_PROGRAM = "TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb";
+
+// SPT token mint - your native token
+const SPT_MINT = "6uUU2z5GBasaxnkcqiQVHa2SXL68mAXDsq1zYN5Qxrm7";
+
+const TOKEN_MINT_OFFSET = 40;
+const STAKING_VAULT_OFFSET = 80;
+
+async function getVaultData() {
+  const connection = getConnection();
+  
+  const accounts = await connection.getProgramAccounts(
+    new PublicKey(PROGRAM_ID),
+    {
+      filters: [
+        { dataSize: 379 }
+      ]
+    }
+  );
+  
+  const sptVaults = { spl: [], token2022: [] };
+  const otherVaults = { spl: [], token2022: [] };
+  
+  for (const { account } of accounts) {
+    const data = account.data;
+    const tokenMint = new PublicKey(data.slice(TOKEN_MINT_OFFSET, TOKEN_MINT_OFFSET + 32));
+    const stakingVault = new PublicKey(data.slice(STAKING_VAULT_OFFSET, STAKING_VAULT_OFFSET + 32));
+    
+    const isSPT = tokenMint.toString() === SPT_MINT;
+    const targetVaults = isSPT ? sptVaults : otherVaults;
+    
+    const vaultInfo = await connection.getAccountInfo(stakingVault);
+    if (vaultInfo && vaultInfo.owner.toString() === TOKEN_2022_PROGRAM) {
+      targetVaults.token2022.push({
+        mint: tokenMint.toString(),
+        balance: Number(vaultInfo.data.readBigUInt64LE(64))
+      });
+    } else {
+      targetVaults.spl.push(stakingVault.toString());
+    }
+  }
+  
+  return { sptVaults, otherVaults };
+}
+
+async function buildBalances(vaults) {
+  const balances = await sumTokens2({ tokenAccounts: vaults.spl });
+  
+  for (const { mint, balance } of vaults.token2022) {
+    const mintKey = `solana:${mint}`;
+    if (!balances[mintKey]) balances[mintKey] = 0;
+    balances[mintKey] += balance;
+  }
+  
+  return balances;
+}
+
+async function staking() {
+  const { sptVaults } = await getVaultData();
+  return buildBalances(sptVaults);
+}
+
+async function tvl() {
+  const { otherVaults } = await getVaultData();
+  return buildBalances(otherVaults);
+}
+
+module.exports = {
+  timetravel: false,
+  solana: { 
+    tvl,
+    staking 
+  },
+  methodology: "TVL includes external tokens (USDC, SOL, etc.) in staking vaults. Staking represents SPT tokens locked in the protocol."
+};